vMail OST to PST Converter Tool is the safe and effective software that allows you to easily restore emails from an OST file and convert them to Outlook PST files, including email, contacts, calendars, notes, tasks, and more. If you need to convert offline Exchange OST to PST, use this software, which will allow you to access your OST files and export all OST mailbox contents to MS Outlook, EML, MSG, MBOX, Office 365, Live Exchange Server, and other email clients.